Acrometer
油类比重计
🗣️ 情景例句
Good luck, Son.
祝你好运 ，孩子。
He who sees through life and death will meet with most success.
看破生死者，大多会成功。
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.
在工业生活的组织中，工厂对工人的生理和精神状态的影响完全被忽视了。